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Beckhoff
EL3255
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Beckhoff EL3255
EL3255 | HD EtherCAT Terminal, 5-channel input, potentiometer measurement with sensor supply
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Description
The EL3255 EtherCAT Terminal enables potentiometers to be connected directly. A stabilised power supply in the terminal and the ratiometric measurement of the input voltage offer the preconditions for precise measurement. On account of its high sampling rate and together with potentiometer position encoders, the compact 5-channel EtherCAT terminal represents an economical position detector.
Technical parameters
| Number of inputs: | 5 |
| Power supply: | via power contacts |
| Technology: | ratiometric potentiometer evaluation with supply, 3-wire |
| Distributed clocks: | yes |
| Feed voltage potentiometer: | typ. 10 V ±10 % |
| Internal resistance: | >> 100 kΩ to wiper connection |
| Input filter limit frequency: | typ. -3 dB at 3 kHz and potentiometer 50 kΩ |
| Sensor types: | potentiometer 300 Ω…50 kΩ |
| Output current: | max. 0.3 A total supply current for the potentiometers |
| Wiring fail indication: | yes |
| Conversion time: | typ. 300…700 µs, dependent on settings, default setting: approx. 500 µs (5 channels, filter deactivated) |
| Measuring range: | potentiometer 300 Ω…50 kΩ |
| Resolution: | 16 bit (incl. sign) |
| Measuring error: | < ±0.5 % (relative to full scale value) |
| Electrical isolation: | 500 V (E-bus/field potential) |
| Current consumption power contacts: | dependent on the potentiometers, max. 70 mA |
| Current consumption E-bus: | typ. 80 mA |
| Bit width in the process image: | 5 x 16 bit input |
| Configuration: | no address setting, configuration via the controller |
| Conductor types: | solid wire, stranded wire and ferrule |
| Conductor connection: | solid wire conductors: direct plug-in technique; stranded wire conductors and ferrules: spring actuation by screwdriver |
| Rated cross-section: | solid wire: 0.08…1.5 mm²; stranded wire: 0.25…1.5 mm²; ferrule: 0.14…0.75 mm² |
| Special features: | open-circuit recognition, supply monitoring, activatable filters, simultaneous measurement of the channels |
| Weight: | approx. 70 g |
| Operating/storage temperature: | -25…+60 °C/-40…+85 °C |
| Relative humidity: | 95 %, no condensation |
| Vibration/shock resistance: | conforms to EN 60068-2-6/EN 60068-2-27 |
| EMC immunity/emission: | conforms to EN 61000-6-2/EN 61000-6-4 |
| Protect. class/installation pos.: | IP 20/variable |
Logistic parameters
| ECCN: | |
| Country of Origin: | |
| EAN: | |
| Weight: | 0.00 kg |
| Length: | 0.00 m |
| Width: | 0.00 m |
| Height: | 0.00 m |